- underground soc for anti british revolutionaries
- Aurobindo Ghosh
- conglomeration of local youth groups & gyms
- literally a fitness club 💪
- 2 arms
- Dhaka Anushilan Samiti
- Jugantar (Calcutta)
- did militancy against brits: bombing, violence, assassinations
- moved away from violence in 1920s due to INC & MG